/*
 ============================================================================
 Page 	     : 257
 Name        : recur.c
 Date	     : 20210404
 Author      : Hbue 18060333
 Copyright   : Your copyright notice
 Description : 递归演示
 ============================================================================
 */

#include <stdio.h>
void up_and_down(int);

int main(void)
{
	up_and_down(1);
	return 0;
}

void up_and_down(int n)
{
	printf("Level %d: n location %p\n", n, &n);		// #1
	if(n < 4)
	{
		up_and_down(n + 1);
	}
	printf("LEVEL %d: n location %p\n", n, &n);		// #2
}

